Stocks that moved substantially or traded heavily Thursday on the New York Stock Exchange and the Nasdaq Stock Market:

NYSE

Alcoa Inc., down 46 cents to $13.21

The aluminum maker posted a first-quarter profit that beat Wall Street expectations but its revenue fell short of forecasts.

Pier 1 Imports Inc., up $1.14 to $13.79

The home decor company reported better-than-expected fiscal fourth-quarter profit, but revenue results fell short of forecasts.

Mistras Group Inc., down 74 cents to $18.46

The engineering services company reported worse-than-expected fiscal third-quarter results and issued a cautious outlook.

Nasdaq

Zynga Inc., down 52 cents to $2.38

The online game company's founder, Mark Pincus, is returning to the CEO position after Don Mattrick stepped down.

Walgreens Boots Alliance Inc., up $4.94 to $92.62

The drugstore chain said it will shutter about 200 U.S. stores as part of an expanded cost-reduction push.

Zumiez Inc., down $1.93 to $35.97

The sports apparel retailer reported a boost in March same-store sales, but the increase fell short of analyst expectations.

Memorial Production Partners LP, down 75 cents to $16.61

An offering of limited partner interests in the energy company owned by MRD Holdco was priced at a discount to Wednesday's price.

LinkedIn Corp., up $3.88 to $256.14

The online professional networking company is buying online learning company Lynda.com for about $1.5 billion in cash and stock.